Pacific Islands Benthic Habitat Mapping Center

Alamagan Island

[ Bathymetry | Backscatter | Optical Validation | Geomorphology ]

Alamagan is an active volcanic island located at latitude 17 36’N, longitude 145 50’E, approximately 185 km north of Saipan. It is 4.8 km long and 4 km wide with an area of approximately 11.2 km2 and a maximum elevation of 744 m.

Click thumbnail maps below to explore PIBHMC’s data sets.

Bathymetry

Small Alamagan 10 meter grid image.

Backscatter

Optical Validation

Small Alamagan 10 meter grid image.

Geomorphology

Benthic Habitat Data

Bathymetry

Zipped data files contain 1) grid data file (GMT or ASCII), 2) high-res JPG of image, and 3) explanatory metadata text file (identical to linked file listed below).
* Ikonos imagery & USGS Digital Ortho Quarter Quads NOT included with download.

10m grid data
Merged Multibeam Bathymetry, IKONOS Derived Depths

Backscatter Imagery

For Backscatter Data, please vist here.

Optical Validation

  • View: Metadata
    2003 | Map
  • Download: Shapefiles, JPG & metadata
    2003

Geomorphology

Zipped data files contain 1) Arc ASCII file, 2) layer (.lyr) file for symbology, 3) high-res JPG of image, and 4) explanatory metadata text file (identical to linked file listed below).

10m grid data